This official 2006 American Eagle 20th Anniversary Silver Coin Set from the U. Mint includes three American Silver Eagle issues, each featuring a unique finish – proof, reverse proof and uncirculated. The proof and uncirculated coins were minted at West Point and have a “W” mint mark, while the reverse proof was minted in Philadelphia and has a “P” mint mark. Each coin contains 1 oz. The set comes with the original display box and a certificate of authenticity.. As with all my items I guarantee 100% Authenticity. You get what you see pictured, Nothing More & Nothing Less.. We only sell 100% Authentic and Genuine Items!